segmentation fault with roots over ComplexField

Imported from <a href="http://trac.sagemath.org/sage_trac/ticket/13314">trac #13314</a>.



Reported by: zimmerma

Component: calculus

CC: jdemeyer,, cremona

Report Upstream: Fixed upstream, but not in a stable release.

Authors: Paul Zimmermann, Jeroen Demeyer

Dependencies: <a href="http://trac.sagemath.org/sage_trac/ticket/13320">trac #13320</a>, <a href="http://trac.sagemath.org/sage_trac/ticket/12346">trac #12346</a>

Work issues: 

Reviewers: John Cremona

Merged in: sage-5.4.beta0

Attachments: <ol><li><a href="http://trac.sagemath.org/sage_trac/attachment/ticket/13314/pari-2.5.2.p1.diff">pari-2.5.2.p1.diff: </a> by jdemeyer at 20120829T12:56:41</li><li><a href="http://trac.sagemath.org/sage_trac/attachment/ticket/13314/13314_polroots_test.patch">13314_polroots_test.patch: </a> by jdemeyer at 20120903T11:42:14</li></ol>